Rectangular and square HSS

HSS 203x76x8.0

Standard: CSA G40.20/G40.21Source: Calculated (exact engine)
Calculated: design thickness = nominal thickness (CSA G40.20, Class C), outside radius 2t. Range derived from ASTM A500 sizes — cross-check with the CISC tables.
xyb = 76.2d = 203.2t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Widthb
76.2mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
31.58kg/m
Cross-sectional areaA
4,022mm²
Outside perimeterP
531.5mm

Strong axis x–x

Moment of inertiaIx
18.6110⁶ mm⁴
Elastic section modulusSx
183.210³ mm³
Plastic section modulusZx
241.210³ mm³
Radius of gyrationrx
68.02mm

Weak axis y–y

Moment of inertiaIy
3.8510⁶ mm⁴
Elastic section modulusSy
10110³ mm³
Plastic section modulusZy
118.610³ mm³
Radius of gyrationry
30.94mm

Torsion and stability

Torsional constantJ
11,01910³ mm⁴

Equivalents in other standards